Trends in epidemiological characteristics of pulmonary tuberculosis among children and youth in Chinese mainland from 2019 to 2024: analysis of national surveillance data.

ABSTRACT:

Background

This study aims to analyze trends in epidemiological characteristics of pulmonary tuberculosis (PTB) among children and youth in mainland China from 2019 to 2024 to support informed policy decisions for TB care and prevention.

Methods

Data on notified PTB cases were extracted from the National TB Surveillance System along with population information for each province from 2019 to 2024. Age-standardized incidence rate (ASIR) was estimated and stratified by year, age, gender and province. Descriptive analysis examined patient characteristics. The Kruskal-Wallis H and Chi-square tests compared data across years. Temporal trends were analyzed using Joinpoint regression models. The average annual percent change (AAPC) assessed the overall trend, and the annual percent

SUBMITTER: Liu E 

PROVIDER: S-EPMC12534943 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature